A focuses exclusively on rerolling item bonuses. A Farm Bot automates hunting, gathering resources, and leveling up. Some comprehensive bot tools include both functionalities plus features like auto-potion use, auto-skill casting, and auto-looting.
Run the bot inside unpopulated map zones or private guild lands. If you want to optimize your setup, tell me: Are you playing on an official server or a private server ? What specific item are you trying to switch right now? What anti-cheat system does your server use?
Place the item you wish to switch into the of your first inventory page.
However, power comes with responsibility—and significant risk. On official servers, using any bot is a direct violation of the terms of service that can result in permanent account bans. Even on private servers, players should carefully read server rules before using automation tools.